4k tv display technologies qled hdr screen size 65 inches digital tuners dvb c freesat hd tv dvb s2 screen diagonal 165 cm energy rating b manufacturer picture index 3400 pqi resolution 3 840 x 2 160 pixels aspect ratio 169 recommended room size large 25 m hdtv compatible widescreen processor quad core hdmi input 4 usb ports usb 30 x3 common interface plus ci slots 1 digital audio output optical 1 average electricity costs over 4 ye